/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package jobportal.student;

import java.sql.ResultSet;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.Statement;
import javax.mail.Session;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import jobportal.Dbconn;

/**
 *
 * @author Ravindra
 */
public class deletephoto extends HttpServlet {
   
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        RequestDispatcher rd=request.getRequestDispatcher("photo.jsp");
        try {
            
            HttpSession session=request.getSession();
            Connection con=Dbconn.getConn();
            Statement st=con.createStatement();
            if(st.executeUpdate("update student set photo=null where photo is not null and username='"+session.getAttribute("username")+"'")>0){
                request.setAttribute("status", "Image deleted successfully");
                rd.forward(request, response);
            }else{
                request.setAttribute("status", "Error! Image Not Available");
                rd.forward(request, response);
            }
            st.close();
            con.close();
        }catch(Exception e){
            out.print(e);
             request.setAttribute("status", "Error! Image Not deleted"+e);
                rd.forward(request, response);
        } finally {
            out.close();
        }
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
